[Port-solaris] Re: Network availability during shutdown

[Derrick Brashear]

On Mon, Mar 14, 2011 at 2:08 PM, Andrew Deason <adeason@sinenomine.net> wrote:
> On Wed, 9 Mar 2011 17:36:08 -0600
> Andrew Deason <adeason@sinenomine.net> wrote:
>
>> Recently I've become aware that Solaris does not seem to like it when
>> OpenAFS tries to access the network during reboot/halt/poweroff. That
>> is, when the fs is unmounted during uadmin() -> kadmin() ->
>> vfs_unmountall() codepath, AFS kernel code cannot access the net.
>
> To clear this up a bit, there's no kernel code that does anything like
> this (e.g. explicitly taking the net down during a shutdown sequence).
> The VM I was using has an interface handled by DHCP, and it gets taken
> down when dhcpagent is killed with TERM. And the 'reboot' command tries
> to kill ~everything with TERM before calling uadmin(). If there exists
> an interface that is statically assigned an IP, this doesn't happen.
>
> I still find it a little odd that sosendmsg doesn't give us an error
> when there are no applicable routes available, but this should be much
> easier to look at now that I know I don't need the kernel in the uadmin
> syscall to reproduce what's going on.

i think previously we looked for such an error, so rx could get the
"instant timeout" it has on linux, macos, windows... and hadn't found
one.
it would be a simple matter to address if we could get one.

-- 
Derrick